Name	Info	Provider	Link
	free resource	J-STAGE, Japan Science and Technology Information Aggregator, Electronic	http://joi.jlc.jst.go.jp/JST.JSTAGE/bpb/30.363?from=PubMed
Insomnia	free resource	MedlinePlus Health Information	https://medlineplus.gov/insomnia.html
	subscription/membership/fee required	Medical Online, Meteo Inc	https://www.medicalonline.jp/meteo_linkout.php?issn=0918-6158&volume=30&issue=2&spage=363